How to Calculate Cost of Installing a Kitchen Island

A beautiful kitchen can enhance the resale value of your home, so any money spent improving this space should be considered an investment. Installing a kitchen island can give your space a clean and efficient look.

Decide what the island will be used for. Some options include dining space, cooking space, sink space or simply extra counter space. The use of the island largely will determine how much the installation will cost. Measure the space and determine the size and shape for the island. You will need approximately three feet of walking room around each sides of the island.

Shop for any appliances or fixtures you'd like to install in the island. Options include cooktops, ovens, sinks and wine racks. Shop around and compare prices. If you're only installing the island for counter space or a breakfast bar, skip to Step 3.

Pick out a countertop and cabinet style. Natural stone costs more than an acrylic or laminate counter and requires more upkeep. Consider materials that are scratch resistant, stain resistant and burn proof. If you want to use the new island for eating, the countertop will have to stick out over the edge of the cabinet (about 12 to 18 inches) to allow room for your legs. Most countertops are priced by the square foot.

Ask contractors for estimates. Even if you plan to do most of the installation yourself, you'll need a licensed electrician to run power to the island if you're installing a cooktop, oven or refrigeration. If you plan to cook on the island, you'll need a contractor who can install a ventilation system. If you're installing a sink, call a plumber to get a quote for pipes and drainage.

Add the cost of the countertop, base cabinet and any appliances you are installing to the cost of any professional labor you require. This is the grand total for installing your new kitchen island.


In most cases, the base of the island can be secured to your existing floor, so there is no need to demolish or rebuild. If you're not installing any electricity or plumbing, you probably don't need a permit for this kind of remodel. Check with your local permit office to confirm this.

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